devices: merge to list_head

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 734 deletions

diff --git a/common/lists.c b/common/lists.c
deleted file mode 100644
index 0dc090a..0000000
--- a/common/lists.c
+++ /dev/null
@@ -1,734 +0,0 @@
-#include <common.h>
-#include <malloc.h>
-#include <lists.h>
-
-#define MAX(a,b)	(((a)>(b)) ? (a) : (b))
-#define MIN(a,b)	(((a)<(b)) ? (a) : (b))
-#define CAT4CHARS(a,b,c,d)	((a<<24) | (b<<16) | (c<<8) | d)
-
-/* increase list size by 10% every time it is full */
-#define kDefaultAllocationPercentIncrease	10
-
-/* always increase list size by 4 items when it is full */
-#define kDefaultAllocationminNumItemsIncrease	4
-
-/*
- * how many items to expand the list by when it becomes full
- * = current listSize (in items) + (hiword percent of list size) + loword
- */
-#define NUMITEMSPERALLOC(list)	MAX(((*list)->listSize * \
-				    ((*list)->percentIncrease + 100)) / 100, \
-				    (*list)->minNumItemsIncrease )
-
-#define ITEMPTR(list,item)	&(((char *)&(*list)->itemList)[(*(list))->itemSize * (item)])
-
-#define LIST_SIGNATURE		CAT4CHARS('L', 'I', 'S', 'T');
-
-#define calloc(size,num)	malloc(size*num)
-
-/********************************************************************/
-
-Handle NewHandle (unsigned int numBytes)
-{
-	void *memPtr;
-	HandleRecord *hanPtr;
-
-	memPtr = calloc (numBytes, 1);
-	hanPtr = (HandleRecord *) calloc (sizeof (HandleRecord), 1);
-	if (hanPtr && (memPtr || numBytes == 0)) {
-		hanPtr->ptr = memPtr;
-		hanPtr->size = numBytes;
-		return (Handle) hanPtr;
-	} else {
-		free (memPtr);
-		free (hanPtr);
-		return NULL;
-	}
-}
-/********************************************************************/
-
-void DisposeHandle (Handle handle)
-{
-	if (handle) {
-		free (*handle);
-		free ((void *) handle);
-	}
-}
-/********************************************************************/
-
-unsigned int GetHandleSize (Handle handle)
-{
-	return ((HandleRecord *) handle)->size;
-}
-/********************************************************************/
-
-int SetHandleSize (Handle handle, unsigned int newSize)
-{
-	HandleRecord *hanRecPtr = (HandleRecord *) handle;
-	void *newPtr, *oldPtr;
-	unsigned int oldSize;
-
-
-	oldPtr = hanRecPtr->ptr;
-	oldSize = hanRecPtr->size;
-
-	if (oldSize == newSize)
-		return 1;
-
-	if (oldPtr == NULL) {
-		newPtr = malloc (newSize);
-	} else {
-		newPtr = realloc (oldPtr, newSize);
-	}
-	if (newPtr || (newSize == 0)) {
-		hanRecPtr->ptr = newPtr;
-		hanRecPtr->size = newSize;
-		if (newSize > oldSize)
-			memset ((char *) newPtr + oldSize, 0, newSize - oldSize);
-		return 1;
-	} else
-		return 0;
-}
-
-#ifdef	CFG_ALL_LIST_FUNCTIONS
-
-/*  Used to compare list elements by their raw data contents */
-static int ListMemBlockCmp (void *a, void *b, int size)
-{
-	return memcmp (a, b, size);
-}
-
-/***************************************************************************/
-
-/*
- * Binary search numElements of size elementSize in array for a match
- * to the. item. Return the index of the element that matches
- * (0 - numElements - 1). If no match is found return the -i-1 where
- * i is the index (0 - numElements) where the item should be placed.
- * (*theCmp)(a,b) should return <0 if a<b, 0 if a==b, >0 if a>b.
- *
- * This function is like the C-Library function bsearch() except that
- * this function returns the index where the item should be placed if
- * it is not found.
- */
-int BinSearch ( void *array, int numElements, int elementSize,
-		void *itemPtr, CompareFunction compareFunction)
-{
-	int low, high, mid, cmp;
-	void *arrayItemPtr;
-
-	for (low = 0, high = numElements - 1, mid = 0, cmp = -1; low <= high;) {
-		mid = (low + high) >> 1;
-
-		arrayItemPtr = (void *) (((char *) array) + (mid * elementSize));
-		cmp = compareFunction
-			? compareFunction (itemPtr, arrayItemPtr)
-			: ListMemBlockCmp (itemPtr, arrayItemPtr, elementSize);
-		if (cmp == 0) {
-			return mid;
-		} else if (cmp < 0) {
-			high = mid - 1;
-		} else {
-			low = mid + 1;
-		}
-	}
-	if (cmp > 0)
-		mid++;
-
-	return -mid - 1;
-}
-
-#endif	/* CFG_ALL_LIST_FUNCTIONS */
-
-/*******************************************************************************/
-
-/*
- * If numNewItems == 0 then expand the list by the number of items
- * indicated by its allocation policy.
- * If numNewItems > 0 then expand the list by exactly the number of
- * items indicated.
- * If numNewItems < 0 then expand the list by the absolute value of
- * numNewItems plus the number of items indicated by its allocation
- * policy.
- * Returns 1 for success, 0 if out of memory
-*/
-static int ExpandListSpace (list_t list, int numNewItems)
-{
-	if (numNewItems == 0) {
-		numNewItems = NUMITEMSPERALLOC (list);
-	} else if (numNewItems < 0) {
-		numNewItems = (-numNewItems) + NUMITEMSPERALLOC (list);
-	}
-
-	if (SetHandleSize ((Handle) list,
-			   sizeof (ListStruct) +
-			   ((*list)->listSize +
-			   numNewItems) * (*list)->itemSize)) {
-		(*list)->listSize += numNewItems;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-/*******************************/
-
-#ifdef	CFG_ALL_LIST_FUNCTIONS
-
-/*
- * This function reallocate the list, minus any currently unused
- * portion of its allotted memory.
- */
-void ListCompact (list_t list)
-{
-
-	if (!SetHandleSize ((Handle) list,
-			    sizeof (ListStruct) +
-			    (*list)->numItems * (*list)->itemSize)) {
-		return;
-	}
-
-	(*list)->listSize = (*list)->numItems;
-}
-
-#endif	/* CFG_ALL_LIST_FUNCTIONS */
-
-/*******************************/
-
-list_t ListCreate (int elementSize)
-{
-	list_t list;
-
-	list = (list_t) (NewHandle (sizeof (ListStruct)));  /* create empty list */
-	if (list) {
-		(*list)->signature = LIST_SIGNATURE;
-		(*list)->numItems = 0;
-		(*list)->listSize = 0;
-		(*list)->itemSize = elementSize;
-		(*list)->percentIncrease = kDefaultAllocationPercentIncrease;
-		(*list)->minNumItemsIncrease =
-				kDefaultAllocationminNumItemsIncrease;
-	}
-
-	return list;
-}
-
-/*******************************/
-
-void ListSetAllocationPolicy (list_t list, int minItemsPerAlloc,
-			      int percentIncreasePerAlloc)
-{
-	(*list)->percentIncrease = percentIncreasePerAlloc;
-	(*list)->minNumItemsIncrease = minItemsPerAlloc;
-}
-
-/*******************************/
-
-void ListDispose (list_t list)
-{
-	DisposeHandle ((Handle) list);
-}
-/*******************************/
-
-#ifdef	CFG_ALL_LIST_FUNCTIONS
-
-void ListDisposePtrList (list_t list)
-{
-	int index;
-	int numItems;
-
-	if (list) {
-		numItems = ListNumItems (list);
-
-		for (index = 1; index <= numItems; index++)
-			free (*(void **) ListGetPtrToItem (list, index));
-
-		ListDispose (list);
-	}
-}
-
-/*******************************/
-
-/*
- * keeps memory, resets the number of items to 0
- */
-void ListClear (list_t list)
-{
-	if (!list)
-		return;
-	(*list)->numItems = 0;
-}
-
-/*******************************/
-
-/*
- * copy is only as large as necessary
- */
-list_t ListCopy (list_t originalList)
-{
-	list_t tempList = NULL;
-	int numItems;
-
-	if (!originalList)
-		return NULL;
-
-	tempList = ListCreate ((*originalList)->itemSize);
-	if (tempList) {
-		numItems = ListNumItems (originalList);
-
-		if (!SetHandleSize ((Handle) tempList,
-				    sizeof (ListStruct) +
-				    numItems * (*tempList)->itemSize)) {
-			ListDispose (tempList);
-			return NULL;
-		}
-
-		(*tempList)->numItems = (*originalList)->numItems;
-		(*tempList)->listSize = (*originalList)->numItems;
-		(*tempList)->itemSize = (*originalList)->itemSize;
-		(*tempList)->percentIncrease = (*originalList)->percentIncrease;
-		(*tempList)->minNumItemsIncrease =
-				(*originalList)->minNumItemsIncrease;
-
-		memcpy (ITEMPTR (tempList, 0), ITEMPTR (originalList, 0),
-				numItems * (*tempList)->itemSize);
-	}
-
-	return tempList;
-}
-
-/********************************/
-
-/*
- * list1 = list1 + list2
- */
-int ListAppend (list_t list1, list_t list2)
-{
-	int numItemsL1, numItemsL2;
-
-	if (!list2)
-		return 1;
-
-	if (!list1)
-		return 0;
-	if ((*list1)->itemSize != (*list2)->itemSize)
-		return 0;
-
-	numItemsL1 = ListNumItems (list1);
-	numItemsL2 = ListNumItems (list2);
-
-	if (numItemsL2 == 0)
-		return 1;
-
-	if (!SetHandleSize ((Handle) list1,
-			    sizeof (ListStruct) + (numItemsL1 + numItemsL2) *
-					(*list1)->itemSize)) {
-		return 0;
-	}
-
-	(*list1)->numItems = numItemsL1 + numItemsL2;
-	(*list1)->listSize = numItemsL1 + numItemsL2;
-
-	memmove (ITEMPTR (list1, numItemsL1),
-		 ITEMPTR (list2, 0),
-		 numItemsL2 * (*list2)->itemSize);
-
-	return 1;
-}
-
-#endif	/* CFG_ALL_LIST_FUNCTIONS */
-
-/*******************************/
-
-/*
- * returns 1 if the item is inserted, returns 0 if out of memory or
- * bad arguments were passed.
- */
-int ListInsertItem (list_t list, void *ptrToItem, int itemPosition)
-{
-	return ListInsertItems (list, ptrToItem, itemPosition, 1);
-}
-
-/*******************************/
-
-int ListInsertItems (list_t list, void *ptrToItems, int firstItemPosition,
-		     int numItemsToInsert)
-{
-	int numItems = (*list)->numItems;
-
-	if (firstItemPosition == numItems + 1)
-		firstItemPosition = LIST_END;
-	else if (firstItemPosition > numItems)
-		return 0;
-
-	if ((*list)->numItems >= (*list)->listSize) {
-		if (!ExpandListSpace (list, -numItemsToInsert))
-			return 0;
-	}
-
-	if (firstItemPosition == LIST_START) {
-		if (numItems == 0) {
-			/* special case for empty list */
-			firstItemPosition = LIST_END;
-		} else {
-			firstItemPosition = 1;
-		}
-	}
-
-	if (firstItemPosition == LIST_END) {	/* add at the end of the list */
-		if (ptrToItems)
-			memcpy (ITEMPTR (list, numItems), ptrToItems,
-					(*list)->itemSize * numItemsToInsert);
-		else
-			memset (ITEMPTR (list, numItems), 0,
-					(*list)->itemSize * numItemsToInsert);
-
-		(*list)->numItems += numItemsToInsert;
-	} else {					/* move part of list up to make room for new item */
-		memmove (ITEMPTR (list, firstItemPosition - 1 + numItemsToInsert),
-			 ITEMPTR (list, firstItemPosition - 1),
-			 (numItems + 1 - firstItemPosition) * (*list)->itemSize);
-
-		if (ptrToItems)
-			memmove (ITEMPTR (list, firstItemPosition - 1), ptrToItems,
-					 (*list)->itemSize * numItemsToInsert);
-		else
-			memset (ITEMPTR (list, firstItemPosition - 1), 0,
-					(*list)->itemSize * numItemsToInsert);
-
-		(*list)->numItems += numItemsToInsert;
-	}
-
-	return 1;
-}
-
-#ifdef CFG_ALL_LIST_FUNCTIONS
-
-/*******************************/
-
-int ListEqual (list_t list1, list_t list2)
-{
-	if (list1 == list2)
-		return 1;
-
-	if (list1 == NULL || list2 == NULL)
-		return 0;
-
-	if ((*list1)->itemSize == (*list1)->itemSize) {
-	    if ((*list1)->numItems == (*list2)->numItems) {
-		return (memcmp (ITEMPTR (list1, 0), ITEMPTR (list2, 0),
-				(*list1)->itemSize * (*list1)->numItems) == 0);
-	    }
-	}
-
-	return 0;
-}
-
-/*******************************/
-
-/*
- * The item pointed to by ptrToItem is copied over the current item
- * at itemPosition
- */
-void ListReplaceItem (list_t list, void *ptrToItem, int itemPosition)
-{
-	ListReplaceItems (list, ptrToItem, itemPosition, 1);
-}
-
-/*******************************/
-
-/*
- * The item pointed to by ptrToItems is copied over the current item
- * at itemPosition
- */
-void ListReplaceItems ( list_t list, void *ptrToItems,
-			int firstItemPosition, int numItemsToReplace)
-{
-
-	if (firstItemPosition == LIST_END)
-		firstItemPosition = (*list)->numItems;
-	else if (firstItemPosition == LIST_START)
-		firstItemPosition = 1;
-
-	memmove (ITEMPTR (list, firstItemPosition - 1), ptrToItems,
-			 (*list)->itemSize * numItemsToReplace);
-}
-
-/*******************************/
-
-void ListGetItem (list_t list, void *itemDestination, int itemPosition)
-{
-	ListGetItems (list, itemDestination, itemPosition, 1);
-}
-
-#endif	/* CFG_ALL_LIST_FUNCTIONS */
-
-/*******************************/
-
-#if defined(CFG_ALL_LIST_FUNCTIONS) || defined(CFG_DEVICE_DEREGISTER)
-
-void ListRemoveItem (list_t list, void *itemDestination, int itemPosition)
-{
-	ListRemoveItems (list, itemDestination, itemPosition, 1);
-}
-
-/*******************************/
-
-void ListRemoveItems (list_t list, void *itemsDestination,
-		      int firstItemPosition, int numItemsToRemove)
-{
-	int firstItemAfterChunk, numToMove;
-
-	if (firstItemPosition == LIST_START)
-		firstItemPosition = 1;
-	else if (firstItemPosition == LIST_END)
-		firstItemPosition = (*list)->numItems;
-
-	if (itemsDestination != NULL)
-		memcpy (itemsDestination, ITEMPTR (list, firstItemPosition - 1),
-				(*list)->itemSize * numItemsToRemove);
-
-	firstItemAfterChunk = firstItemPosition + numItemsToRemove;
-	numToMove = (*list)->numItems - (firstItemAfterChunk - 1);
-
-	if (numToMove > 0) {
-		/*
-		 * move part of list down to cover hole left by removed item
-		 */
-		memmove (ITEMPTR (list, firstItemPosition - 1),
-				 ITEMPTR (list, firstItemAfterChunk - 1),
-				 (*list)->itemSize * numToMove);
-	}
-
-	(*list)->numItems -= numItemsToRemove;
-}
-#endif	/* CFG_ALL_LIST_FUNCTIONS || CFG_DEVICE_DEREGISTER */
-
-/*******************************/
-
-void ListGetItems (list_t list, void *itemsDestination,
-		   int firstItemPosition, int numItemsToGet)
-{
-
-	if (firstItemPosition == LIST_START)
-		firstItemPosition = 1;
-	else if (firstItemPosition == LIST_END)
-		firstItemPosition = (*list)->numItems;
-
-	memcpy (itemsDestination,
-		ITEMPTR (list, firstItemPosition - 1),
-		(*list)->itemSize * numItemsToGet);
-}
-
-/*******************************/
-
-/*
- * Returns a pointer to the item at itemPosition. returns null if an
- * errors occurred.
- */
-void *ListGetPtrToItem (list_t list, int itemPosition)
-{
-	if (itemPosition == LIST_START)
-		itemPosition = 1;
-	else if (itemPosition == LIST_END)
-		itemPosition = (*list)->numItems;
-
-	return ITEMPTR (list, itemPosition - 1);
-}
-
-/*******************************/
-
-/*
- * returns a pointer the lists data (abstraction violation for
- * optimization)
- */
-void *ListGetDataPtr (list_t list)
-{
-	return &((*list)->itemList[0]);
-}
-
-/********************************/
-
-#ifdef	CFG_ALL_LIST_FUNCTIONS
-
-int ListApplyToEach (list_t list, int ascending,
-		     ListApplicationFunc funcToApply,
-		     void *callbackData)
-{
-	int result = 0, index;
-
-	if (!list || !funcToApply)
-		goto Error;
-
-	if (ascending) {
-		for (index = 1; index <= ListNumItems (list); index++) {
-			result = funcToApply (index,
-					      ListGetPtrToItem (list, index),
-					      callbackData);
-			if (result < 0)
-				goto Error;
-		}
-	} else {
-		for (index = ListNumItems (list);
-		     index > 0 && index <= ListNumItems (list);
-		     index--) {
-			result = funcToApply (index,
-					      ListGetPtrToItem (list, index),
-					      callbackData);
-			if (result < 0)
-				goto Error;
-		}
-	}
-
-Error:
-	return result;
-}
-
-#endif /* CFG_ALL_LIST_FUNCTIONS */
-
-/********************************/
-
-int ListGetItemSize (list_t list)
-{
-	return (*list)->itemSize;
-}
-
-/********************************/
-
-int ListNumItems (list_t list)
-{
-	return (*list)->numItems;
-}
-
-/*******************************/
-
-#ifdef	CFG_ALL_LIST_FUNCTIONS
-
-void ListRemoveDuplicates (list_t list, CompareFunction compareFunction)
-{
-	int numItems, index, startIndexForFind, duplicatesIndex;
-
-	numItems = ListNumItems (list);
-
-	for (index = 1; index < numItems; index++) {
-		startIndexForFind = index + 1;
-		while (startIndexForFind <= numItems) {
-			duplicatesIndex =
-				ListFindItem (list,
-					      ListGetPtrToItem (list, index),
-					      startIndexForFind,
-					      compareFunction);
-			if (duplicatesIndex > 0) {
-				ListRemoveItem (list, NULL, duplicatesIndex);
-				numItems--;
-				startIndexForFind = duplicatesIndex;
-			} else {
-				break;
-			}
-		}
-	}
-}
-
-/*******************************/
-
-
-/*******************************/
-
-int ListFindItem (list_t list, void *ptrToItem, int startingPosition,
-		  CompareFunction compareFunction)
-{
-	int numItems, size, index, cmp;
-	void *listItemPtr;
-
-	if ((numItems = (*list)->numItems) == 0)
-		return 0;
-
-	size = (*list)->itemSize;
-
-	if (startingPosition == LIST_START)
-		startingPosition = 1;
-	else if (startingPosition == LIST_END)
-		startingPosition = numItems;
-
-	for (index = startingPosition; index <= numItems; index++) {
-		listItemPtr = ITEMPTR (list, index - 1);
-		cmp = compareFunction
-			? compareFunction (ptrToItem, listItemPtr)
-			: ListMemBlockCmp (ptrToItem, listItemPtr, size);
-		if (cmp == 0)
-			return index;
-	}
-
-	return 0;
-}
-
-/*******************************/
-
-int ShortCompare (void *a, void *b)
-{
-	if (*(short *) a < *(short *) b)
-		return -1;
-	if (*(short *) a > *(short *) b)
-		return 1;
-	return 0;
-}
-
-/*******************************/
-
-int IntCompare (void *a, void *b)
-{
-	if (*(int *) a < *(int *) b)
-		return -1;
-	if (*(int *) a > *(int *) b)
-		return 1;
-	return 0;
-}
-
-/*******************************/
-
-int CStringCompare (void *a, void *b)
-{
-	return strcmp (*(char **) a, *(char **) b);
-}
-
-/*******************************/
-
-
-int ListBinSearch (list_t list, void *ptrToItem,
-		   CompareFunction compareFunction)
-{
-	int index;
-
-	index = BinSearch (ITEMPTR (list, 0),
-			   (int) (*list)->numItems,
-			   (int) (*list)->itemSize, ptrToItem,
-			   compareFunction);
-
-	if (index >= 0)
-		index++;			/* lists start from 1 */
-	else
-		index = 0;			/* item not found */
-
-	return index;
-}
-
-/**************************************************************************/
-
-/*
- * Reserves memory for numItems in the list. If it succeeds then
- * numItems items can be inserted without possibility of an out of
- * memory error (useful to simplify error recovery in complex
- * functions). Returns 1 if success, 0 if out of memory.
- */
-int ListPreAllocate (list_t list, int numItems)
-{
-	if ((*list)->listSize - (*list)->numItems < numItems) {
-		return ExpandListSpace (list,
-					numItems - ((*list)->listSize -
-						(*list)->numItems));
-	} else {
-		return 1;	/* enough items are already pre-allocated */
-	}
-}
-
-#endif /* CFG_ALL_LIST_FUNCTIONS */